192 clutches and power-stop control – Elements – Thrust members – retarders – and stops
Patent
1986-06-09
1987-10-06
Murtagh, John E.
192 clutches and power-stop control
Elements
Thrust members, retarders, and stops
192 7022, F16D 1360
Patent
active
046976850
ABSTRACT:
A clutch cover assembly comprising a cover, a pressure plate, a diaphragm spring acting between the cover and pressure plate to urge the pressure plate outwardly of the cover, and drive straps in the form of leaf springs attached to the cover and pressure plate to retract the latter into the cover when urging by the diaphragm spring is relieved. Latches formed by spring clips on the cover engage the pressure plate to hold it in a partially retracted state after its manufacture and during shipment, to prevent free outward movement of the pressure plate overstressing the drive straps. As the clutch cover assembly is bolted to a driving plate with a clutch driven plate between the driving and pressure plates, the pressure plate eventually comes to an axially stationary position pressing the driven plate against the axially stationary driving plate while the cover moves axially relative to the pressure plate as the bolts are finally tightened. This relative movement between cover and pressure plate disengages the spring clips from the pressure plate and they spring aside so as not to inhibit clutch engaging and dis-engaging axial movements of the pressure plate.
REFERENCES:
patent: 4531622 (1985-07-01), Bacher et al.
patent: 4560055 (1985-12-01), Billet
patent: 4562910 (1986-01-01), Maycock
patent: 4632237 (1986-12-01), Maycock et al.
patent: 4646901 (1987-03-01), Lassiaz et al.
Automotive Products plc
Kemon Solon B.
Murtagh John E.
Rudy Andrew Joseph
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